Nuclear structure ofTc94

Levels in ${}_{}{}^{94}{}_{}{}^{}\mathrm{Tc}$ up to an excitation of 4.5 MeV were populated by means of the ${}_{}{}^{92}{}_{}{}^{}\mathrm{Mo}$(${}_{}{}^3{}_{}{}^{}\mathrm{He}$,$p$)${}_{}{}^{94}{}_{}{}^{}\mathrm{Tc}$ reaction at $E_{{}_{}{}^3{}_{}{}^{}\mathrm{He}}=25\mathrm{}$ MeV. Distorted-wave Born-approximation analyses of the proton angular distributions lead to spin and parity assignments for several levels. Coupled channel calculations predict that contributions of a sequential ($p-n$) transfer mechanism are important and angular distributions for the lowest $0^{+}$, $1^{+}$, and $2^{+}$ states are better accounted for by interference effects between one- and two-step processes. A possible $0^{+}$ state at 2.72 MeV excitation is suggested to be the [${d_{\frac{5}{2}}}^p{d_{\frac{5}{2}}}^n$] antianalog of the ${}_{}{}^{94}{}_{}{}^{}\mathrm{Mo}$ ground state.